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SubjectRe: [openib-general] Re: [PATCH 53 of 53] ipath - add memory barrier when waiting for writes
    ralphc> I didn't try calling barrier() so I don't know the answer.
ralphc> When power is restored, I can try it. My guess is that
ralphc> it's a timing issue and not a code reordering issue.

Hmm, then we really better understand what's going on, because
otherwise you're just going to have trouble again if someone makes a
CPU with a faster mfence instruction...
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